He aha ke ʻano kila o 4140?

He kila kila kaulana ka kila 4140 i ʻike ʻia no kona ikaika, paʻakikī, a me ka maʻalahi. No ka ʻohana kila chromium-molybdenum ia, e hāʻawi ana i kahi hui kūikawā o nā waiwai mechanical e lilo ia i koho makemake ʻia no nā noi ʻoihana. Hoʻohana nui nā ʻenekinia, nā mea hana, a me nā mea hana i kēia kila no nā mea āpau mai nā ʻāpana kaʻa a hiki i nā ʻāpana mīkini.

Ma kēia ʻatikala SEO, hōʻike ʻo sakysteel i kahi ʻike piha o4140 kila, me kona ʻano kemika, nā waiwai mechanical, nā kaʻina hana lapaʻau wela, a me nā hoʻohana maʻamau.

Ka Hoʻokaʻawale ʻana o 4140 Steel

He kila haʻahaʻa haʻahaʻa ʻo 4140 e hāʻule ana ma lalo o ka ʻōnaehana hoʻokaʻawale SAE-AISI. Ua ʻike ʻia hoʻi ʻo iaʻAISI 4140, EN19 (ma ʻEulopa), a meSCM440 (ma Iapana)ʻO ka inoa "4140" e pili ana i kahi ʻike kikoʻī o ka metala:

• Hōʻike ka "41" i kahi kila chromium-molybdenum

• Hōʻike ʻo "40" i ka nui o ke kalapona (0.40%)

ʻAʻole he kila kila ʻole ke kila 4140, no ka mea, ʻaʻohe ona chromium lawa e kūʻē i ka pala. Akā, mahalo ʻia no kona ikaika mechanical a me ka paʻakikī ma hope o ka mālama ʻana i ka wela.

Ka Hoʻohui Kemika o ke Kila 4140

ʻO ke ʻano kemika o 4140 ka mea e hāʻawi iā ia i kona mau waiwai mechanical i hoʻonui ʻia. ʻO nā pae maʻamau:

• Kalapona (C):0.38% – 0.43%

• Kromium (Cr):0.80% – 1.10%

• Manganese (Mn):0.75% – 1.00%

• Molibdenum (Mo):0.15% – 0.25%

• Silika (Si):0.15% – 0.35%

• ʻO ka phosphorus (P):≤ 0.035%

• Sulfur (S):≤ 0.040%

Hana pū kēia mau mea e hoʻoikaika i ka paʻakikī, ke kūpaʻa ʻana i ka ʻaʻahu, a me ke kūpaʻa holoʻokoʻa, e hoʻolilo ana iā 4140 i mea pono no nā ʻāpana mīkini koi.

Nā Waiwai Mekanika o ke kila 4140

Hāʻawi ʻo 4140 i kahi ʻano kupaianaha o nā waiwai mechanical, ʻoi aku hoʻi ma hope o ka mālama wela kūpono. ʻO kēia mau mea:

• Ikaika Hoʻopaʻa:A hiki i ka 1100 MPa (160 ksi)

• Ka ikaika hāʻawi:Ma kahi o 850 MPa (123 ksi)

• Elongation i ka wā hoʻomaha:Ma kahi o 20%

• Paʻakikī:ʻO ka maʻamau he 197 a 235 HB i ke kūlana annealed, a hiki i ka 50 HRC ma hope o ka quenching a me ka tempering

Hiki ke ʻokoʻa kēia mau waiwai ma muli o ke ʻano o ke kila (ʻauamo, pā, mea i hoʻoheheʻe ʻia) a me ke kūlana o ka mālama wela.

Ka mālama wela ʻana o ke kila 4140

ʻO ka mālama wela kahi hana nui e hoʻomaikaʻi ai i ka hana o4140 kilaHiki i ke kila ke hana i kēia mau kaʻina hana:

1. Hoʻoheheʻe ʻana
   Hoʻomaʻalili mālie ʻia mai kahi o 850°C e hoʻomaikaʻi i ka mīkini a hōʻemi i ke kaumaha kūloko. ʻO ka hopena, he ʻano palupalu me ka ductility i hoʻomaikaʻi ʻia.

2. Ke hoʻomaʻamaʻa ʻana
   Hoʻomehana ʻia a ma kahi o 870°C e hoʻomaʻemaʻe i ke ʻano o ka palaoa. Hāʻawi i ke kaulike o ka ikaika a me ka paʻakikī.

3. Ka hoʻopau ʻana a me ka hoʻomehana ʻana
   Hoʻopaʻakikī ʻia ma ka hoʻomehana ʻana a hiki i kahi o 845°C a hoʻolulu koke ʻia i loko o ka ʻaila a i ʻole ka wai, a ukali ʻia e ka hoʻomaʻalili ʻana i nā pae paʻakikī i makemake ʻia. Hoʻonui nui kēia i ka ikaika a me ke kūpaʻa i ka ʻaʻahu ʻana.

4. Hoʻomaha i ke kaumaha
   Hana ʻia ma kahi o 650°C e hōʻemi i nā koʻikoʻi koena mai ka mīkini ʻana a i ʻole ka kuʻihao ʻana.

Ma sakysteel, hāʻawi mākou4140 kilama nā ʻano like ʻole i mālama ʻia me ka wela e pili ana i nā koi o ka mea kūʻai aku, e hōʻoiaʻiʻo ana i ka hana kiʻekiʻe loa i kāu noi.

Nā Pōmaikaʻi o 4140 Steel

• Ka Lākiō Ikaika-a-Kaumaha Kiʻekiʻe:Kūpono no nā noi koʻikoʻi i ke kaumaha.

• Ke kūpaʻa maikaʻi i ka luhi:Kū i ka ukana cyclic, kūpono no nā kia a me nā ʻauamo.

• Paʻakikī maikaʻi loa:Loaʻa ka paʻakikī kiʻekiʻe ma hope o ka hoʻopau ʻana.

• Ka hiki ke hana mīkini:Maʻalahi ka mīkini ʻana i nā kūlana annealed a normalized paha.

• Ka hiki ke hoʻopili ʻia:Hiki ke hoʻoheheʻe ʻia me ka hoʻomehana mua kūpono a me ka mālama ʻana ma hope o ka hoʻoheheʻe ʻana.

ʻO kēia mau pono e hoʻolilo ai i ke kila 4140 i koho waiwai no nā noi ʻenekinia kiʻekiʻe he nui.

Nā noi o 4140 Steel

Ma muli o kona ikaika mechanical a me kona versatility, hoʻohana ʻia ke kila 4140 ma nā ʻano ʻoihana like ʻole:

ʻOihana Kaʻa

• Nā ʻauamo

• Nā ʻauamo cranks

• Nā mea hana

• Nā puʻupuʻu hoʻokele

ʻAila a me ke Kinoea

• Nā kola wili

• Nā hui mea hana

• Nā koʻokoʻo hoʻohui

Lehulehu

• Nā ʻāpana pae ʻāina

• Nā ʻauamo

• Nā ʻāpana kūkulu kiʻekiʻe-koi

Nā Mīkini ʻOihana

• Nā Hoʻohui

• Nā ʻāpana i hoʻoheheʻe ʻia

• Nā mea paʻa make

• Nā wili

At sakysteel, ua hoʻolako mākou4140 kilanā huahana no nā mea kūʻai aku ma kēia mau ʻāpana, e hāʻawi ana i ka maikaʻi hilinaʻi a me ka hoʻopilikino pololei.

Pehea e hoʻohālikelike ai ʻo 4140 i nā kila ʻē aʻe

4140 vs. 1045 Kalapona kila:
Hāʻawi ʻo 4140 i ke kūpaʻa ʻana i ka ʻaʻahu a me ka ikaika tensile kiʻekiʻe ma muli o nā mea hoʻohuihui. ʻOi aku ka liʻiliʻi o ke kumukūʻai o 1045 akā ʻaʻole paʻa.

4140 vs. 4340 kila:
ʻOi aku ka nui o ka nickel ma 4340, e hāʻawi ana i ka paʻakikī maikaʻi a me ke kū'ē ʻana i ka luhi. ʻOi aku ka maikaʻi o ke kumukūʻai o 4140 no ka hoʻohana maʻamau.

4140 vs. Ke kila kila (e laʻa, 304 a i ʻole 316):
Hāʻawi nā kila kila i ke kūpaʻa i ka pala akā haʻahaʻa ka ikaika. ʻOi aku ka maikaʻi o 4140 i nā noi ukana kiʻekiʻe me ka ʻole o ka ʻike ʻia i nā wahi pala.

Loaʻa nā palapala ma sakysteel

Hoʻolako ʻo sakysteel i ke kila 4140 ma nā ʻano huahana aʻe:

• Nā Pā Poepoe (ʻōwili wela, huki anu, ʻili ʻia)

• Nā Pā a me nā Papa Pālahalaha

• Nā Poloka a me nā Apo i Hoʻoheheʻe ʻia

• Nā Kaola a me nā Paipu Hollow (ma ke noi ʻana)

• Nā hakahaka pololei i ʻoki ʻia i ka nui

Loaʻa nā huahana a pau meNā palapala hōʻoia EN10204 3.1, a hāʻawi pū mākou i nā lawelawe CNC machining a me ka mālama wela.

Hopena

He kila kila hana kiʻekiʻe a maʻalahi hoʻi ka 4140 e hoʻokō ana i nā pono o nā noi koi like ʻole. ʻO kona hui pū ʻana o ka ikaika, ka paʻakikī, a me ke kumukūʻai kūpono e lilo ia i mea makemake ʻia no nā ʻenekinia mīkini a me nā mea hana ma ka honua holoʻokoʻa.

Inā ʻoe e pono ai i ka lako o nā mea maka a i ʻole nā ​​​​​​mea i hoʻopau ʻia,sakysteelʻo ia kāu hoa hilinaʻi no ke kila kila 4140. E kāhea i kā mākou hui loea i kēia lā e kūkākūkā i kāu mau koi a loaʻa i kahi ʻōlelo kūʻai i hana kūikawā ʻia.